Home / 76,286,366.52-105,274,452.24-41,479,063.80

Finding the Fourth Proportional to 76,286,366.52, 105,274,452.24 and 41,479,063.80

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Solution

The fourth proportional to 76,286,366.52, 105,274,452.24 and 41,479,063.80 is: 57,240,709.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,286,366.52 : 105,274,452.24 = 41,479,063.80 : x
  2. Step 2: Convert to fraction form
    76,286,366.52/105,274,452.24 = 41,479,063.80/x
  3. Step 3: Cross multiply
    76,286,366.52x = 105,274,452.24 × 41,479,063.80
  4. Step 4: Simplify right side
    76,286,366.52x = 4,366,685,720,973,012.50
  5. Step 5: Solve for x
    x = 4,366,685,720,973,012.50/76,286,366.52
  6. Step 6: Final answer
    x = 57,240,709.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.